You dye it.
black and grey
Yeah. It's the same as if you shaved your head & had black hair. It would grow back black.
No, the progress is irreversible, once the hair is grey, it can only become whiter.
Grey hair with black roots occurs when the hair follicles stop producing pigment, resulting in the hair turning grey. The black roots are the new hair growth that still has pigment.
The hair that you pulled out, will grow back grey.
Yes there is new medicine dissolved in Alcohol taking orally grey hair turn into black color contact makhan@nf.sympatico.ca
try to use a stronger black for your grey parts, or do your grey parts a couple of times then do the rest of your hair.
blond hair
No
Black
Dye it
Yep shave you grey dome!